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No. 66,379. Patented July 2. 1867.

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TO ALL WHOM IT MAY CONCERN:

, Be it known that I, J. PALMER, of Cleveland, county of Cuyahoga, in the State of Ohi9 ,'have invented certain new and useful improvements in Railroad Car-Roofs, and also additional improvements on my former improved railroad car-roof, for which'I obtained Letters Patent, No. 43,223, hearing date June 21, 1864, and for this my present improved railroad car-roof; and I do hereby declare that the following is a full and exact description thereof, reference being bad to the accompanying drawings, and to the letters of reference marked thereon, in which Figure 1 is a perspective view.

Figure 2 is a plan or top view.

Figure 3 is a vertical longitudinal section.

lf 'igures 4 and 5 are various views of lapping or hooking the metal plates.

Like letters of reference indicate like parts in the views.

A represents the top portion of the car; B the car-linesor rafters; C the cleats, sheathing, or resting surface which are fastened upon the car-lines or rafters, and upon which the metal plates or sheets rest; D represents the cornice; E the metallic plates or sheets; F the wooden caps covering that portion of the metal plates wherethcy are lapped over each other or. hooked together; G the fenders that are fastened on the ends of the caps on each side of the car for the purpose of protecting the ends of the metal plates and also the ends of the caps.

The nature of my invention relates to the construction of railroad car-roofs, the metallic portion of which consists of metal plates or sheets E, bent or turned 'over at the edges of the sheets so as to lap over or hook into each other, as shown in figs. 3, 4, and 5, but I have for the present preferred that represented ,in figs. and 4. The metal plates E rest upon the cleats, sheathing, or resting surface C, and are placed transversely across the car, and project a little overthe cornice D and are bent or curved down from-the centre to the sides of the car. The metal plates E are bent or curved down over the cleats, sheathing, or resting surface C in such a manner that their respective edges will all lap over or hook into each other, as shown in figs. 3 and 4, and can be made of any desirable width or number, and without any particular reference to the car-lines or rafters B, with which they have no direct connection, and they are secured in place on the car, forming the metal roof, without the aid of nails or bolts, or of being perforated in any place except at their extreme ends and at the extreme ends of the car, where they are secured in place by nails or screws being driven through the cap F at a and b, and down through the extreme ends of the metal plates E into the upper edge of the cornice D, which being at the extreme ends of the metal plates E, as before stated, and so far outside of the car as to render it perfectly safe and secure against leakage inside of the car. The caps F are of wood, of a suitable width and thickness, andare halved or rabbeted on the under side (except the two end ones) so as to fit snugly over the metal plates E, where they are lapped or hooked together, and are bent or curved down from-the centre to-the sides of the car, and project a suitable distance over the cornice D, and are fastened firmly down at each end at a by the same nails or screws that secure in place the metal plates E, and, as before stated, are driven through the caps F at a and down through the extreme ends of the metal plates E into the upper edge of the cornice D. The caps F, when curved or bent down and fastened at each end as described, fit snugly over the entire length of the metal plates E, where they are lapped or hooked together, as shown in figs. ll, 2, and 3, and hold the metal plates firmly down and secure in their place and perfectly secure against leakage. After the caps F are all adjusted and fastened down over the metal plates E, as described, they are all then-sawed or out off at the ends, on a right or straight line, from end to end of the car on bothvsides of the car, and the fenders G are nailed on to the ends of the cap F, as seen in figs. and 2, leaving a suitable space for the water to pass of? at the ends of the metal plates E, between the cornice D and the fenders G.

In view of the various advantages combined in my improved railroad car-roof, such as its extreme simplicity, cheapness, and lightness in its construction, dispensing entirely with an upper board roof, its superior safety against fire, its perfect security against leakage, and its superior and perfect adaptation to the straining and twisting of the car, render it far superior to any railroad car-roof now in use.

i What I claim as my improvement, and desire to secure by Letters Patent, is-

The construction and arrangement of the metal plates or sheets E, when lapped or hooked continuously together, substantially as ,herein described and shown, in combination with the caps F, the cleats, sheathing, or resting surface G, cornice D, and car-lines or rafters 13, all constructed and arranged substantially as and for the purpose herein set forth and described.

J. PALMER.

Witnesses:

A. J. MARVIN, GEO. W. Tnamrs. 

